Plot temporal skill ranking for a profession

Draws a line chart showing how skill ranks evolve over time for a single profession. Each line represents a skill; the y-axis is the rank position and the x-axis is the time period.

Usage

plot_skill_ranking(serie, profession, skills = NULL)

Arguments

serie

A data.table with columns mese (date), skill (character), rango (integer rank), professione (character), and N (count). Typically produced by a ranking computation step.

profession

Character, the profession label to filter on.

skills

Optional character vector of skill labels to include. When NULL (the default), the top 10 skills by total count are used.

Value

A ggplot object.

Details

When skills is NULL the function selects the 10 most frequently occurring skills (summing counts across all time periods).